The study, published yesterday in the journal Proceedings of the National Academy of Sciences (PNAS), looked at how genes on sex-linked chromosomes are passed down generations and linked to fertility, using the specific example of the W chromosome in female chickens.

NEW HAVEN, Conn., May 2, 2012 /PRNewswire/ -- JS Genetics announces the availability of XCAT-KS, its proprietary buccal swab test for the diagnosis of Klinefelter syndrome (KS) and other male

Chromosomes are strands of DNA that contain the blueprint of all living organisms.

A chromosomal abnormality in children with a deadly form of brain cancer is linked with a poorer chance of survival, clinician scientists at The University of Nottingham have discovered.

Males of the world, fear not -- researchers have determined that the chromosome which determines maleness is not shrinking after all, and concerns that the gender could be headed for extinction are apparently unfounded.